NUTRITIVE VALUE OF DIETS WITH INACTIVE DRY YEAST FOR SAANEN GOATS IN THE PERIPARTUM PERIOD

Authors

  • Bruna Susan de Labio Molina Animal Science Department, State University of Maringa, Maringa, PR
  • Larissa Ribas de Lima Animal Science Department, State University of Maringa, Maringa, PR
  • Ludmila Couto Gomes Animal Science Department, State University of Maringa, Maringa, PR
  • Luciano Soares de Lima Animal Science Department, State University of Maringa, Maringa, PR
  • Claudete Regina Alcalde Animal Science Department, State University of Maringa, Maringa, PR

DOI:

https://doi.org/10.1590/1983-21252016v29n123rc

Keywords:

Digestion. Intake. Protein source. Saccharomyces cerevisiae.

Abstract

The aim was to evaluate the replacement of soybean meal by inactive dry yeast (Saccharomyces cerevisiae) from sugar cane on nutritive value of diets for Saanen goats in the peripartum. Twenty-four Saanen goats (nine primiparous, 55.35 ± 4.55 kg and fifteen multiparous, 73.12 ± 8.51 kg) in prepartum and postpartum periods were distributed in a completely randomized design with a 3 × 2 (diet × parturition order) factorial arrangement. Diets were composed of soybean meal, soybean meal plus dry yeast or dry yeast as protein source, and other ingredients: ground corn, mineral supplement and limestone. The roughage source used was the whole plant corn silage (40% of the total diet). Diets were evaluated as dry matter intake and digestibility of nutrients. The diet with total dry yeast inclusion promoted a reduction on the ether extract intake (postpartum) and ether extract digestibility (prepartum and postpartum), due its lower ether extract content when compared to the other diets. Multiparous goats presented higher intakes for dry matter, nutrients and total digestible nutrients in both evaluated periods due their higher intake capacity. Primiparous goats in postpartum had better coefficients of digestibility for dry matter, organic matter, crude protein and total carbohydrates, and so a higher energetic value, attributed to total digestible nutrients compared to multiparous ones. Dry yeast can replace soybean meal with no changes on nutritive value of diets for Saanen goats.

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Author Biographies

Bruna Susan de Labio Molina, Animal Science Department, State University of Maringa, Maringa, PR

Formada em Zootecnia na Universidade Estadual de Maringá, Mestrado em Zootecnia/ Produção de Ruminantes, na mesma Universidade. Departamento de Zootecnia/UEM.

Larissa Ribas de Lima, Animal Science Department, State University of Maringa, Maringa, PR

Departamento de Zootecnia

Ludmila Couto Gomes, Animal Science Department, State University of Maringa, Maringa, PR

Departamento de Zootecnia

Luciano Soares de Lima, Animal Science Department, State University of Maringa, Maringa, PR

Departamento de Zootecnia

Claudete Regina Alcalde, Animal Science Department, State University of Maringa, Maringa, PR

Departamento de Zootecnia

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Published

12-03-2016

Issue

Vol. 29 No. 1 (2016)

Section

Zootechnics

License

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